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Assessing human impact on alluvial fan development: a multidisciplinary case-study from Lower Khuzestan (SW Iran)

Tijdschriftbijdrage - Tijdschriftartikel

This paper presents a multidisciplinary approach for studying the evolution of an alluvial fan system in Lower Khuzestan (SW Iran). The study draws on previously collected data from geological and archaeological field campaigns and new data derived from the interpretation of satellite imagery and historical textual sources. Three alluvial fans were identified, successively deposited by the Jarrahi river in progressively downstream/westward direction. Judging from archaeological and historical evidence, the successive phases appear to coincide with a relocation of settlement and irrigation activities. The distributary system of the present-day fan developed over a period of less than four centuries. It is suggested that management of levee breaks by man played a key role in such rapid fan development and in maintaining extremely low gradients. Judging from the extensive patterns of ancient irrigation canals, human activity also played an important role in the formation of the earlier fans.
Tijdschrift: Geodinamica Acta
ISSN: 0985-3111
Issue: 5-6
Volume: 23
Pagina's: 267-285
Jaar van publicatie:2010
Trefwoorden:alluvial fan, iran, Landscape evolution, Sedimentology
  • Scopus Id: 79951758491